// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init({env: cloud.DYNAMIC_CURRENT_ENV,
  throwOnNotFound: false
})

// 云函数入口函数
exports.main = async (event, context) => {
  const wxContext = cloud.getWXContext();
  console.log(wxContext);
  return cloud.openapi.updatableMessage.createActivityId({unionid: wxContext.UNIONID});
}